About Bulletproof Glass Bulletproof glass, also known as bullet-resistant or ballistic glass, is a strong and optically transparent glass, used for protection against the impact of bullets or any other ammunition. It is made by combining two or more layers of different materials, usually one hard and the other soft materials. The refractive index of both the glasses used in the manufacture of bulletproof glass should be the same to make it transparent. Its thickness varies from 0.25 to 4 inches and is usually prepared by sandwiching a layer of thermoplastic with glass laminates, and th...more >>
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